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File indexing completed on 2025-01-18 10:10:23
0001 // @(#)root/minuit2:$Id$ 0002 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005 0003 0004 /********************************************************************** 0005 * * 0006 * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT * 0007 * * 0008 **********************************************************************/ 0009 0010 #ifndef ROOT_Minuit2_BFGSErrorUpdator 0011 #define ROOT_Minuit2_BFGSErrorUpdator 0012 0013 #include "Minuit2/MinimumErrorUpdator.h" 0014 0015 namespace ROOT { 0016 0017 namespace Minuit2 { 0018 0019 /** 0020 Update of the covariance matrix for the Variable Metric minimizer (MIGRAD) 0021 */ 0022 class BFGSErrorUpdator : public MinimumErrorUpdator { 0023 0024 public: 0025 BFGSErrorUpdator() {} 0026 0027 ~BFGSErrorUpdator() override {} 0028 0029 MinimumError Update(const MinimumState &, const MinimumParameters &, const FunctionGradient &) const override; 0030 0031 private: 0032 }; 0033 0034 } // namespace Minuit2 0035 0036 } // namespace ROOT 0037 0038 #endif // ROOT_Minuit2_BFGSErrorUpdator
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